2ï‚· Record & playback functionSupport each channel real-time record independently, and at the same time it can supportplayback, forward play, network monitor, record search, download and etc.Support various playback modes: slow play, fast play, backward play and frame by frameplay.Support time title overlay so that you can view event accurate occurred timeSupport customized zoom function during the preview.ï‚· Network operationSupport network remote real-time monitor, remote record search and remote PTZ control.ï‚· Alarm activation functionSeveral relay alarm outputs to realize alarm activation and on-site light control.The alarm input port and output has the protection circuit to guarantee device safety.ï‚· Communication portRS485 port can realize alarm input and PTZ control.RS232 port can connect to keyboard to realize central control, and can also connect to PCCOM to upgrade system and realize maintenance, and matrix control.Standard Ethernet port can realize network access function.The dual-network port has the multiple-access, fault-tolerance, load-balance setup mode.ï‚· PTZ controlSupport PTZ decoder via RS485.ï‚· Intelligent operationMouse operation functionIn the menu, support copy and paste setup functionï‚· UPNP (Universal Plug and Play)Establish mapping connection between LAN and WAN via UPNP protocol.Slight function differences may be found due to different series.1.3 SpecificationsModel CJ-HDR216Video / Audio IFVideo Input 16 CH, BNCType HDCVI 720p/1080p HDCVIAnalog NTSC/PALVideo Output 1 HDMI, 1 VGAAudio Input 1 CH, RCAAudio Output 1 CH, RCA